Home / 21,804,257.91-30,090,517.76-12,015,332.66

Finding the Fourth Proportional to 21,804,257.91, 30,090,517.76 and 12,015,332.66

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Solution

The fourth proportional to 21,804,257.91, 30,090,517.76 and 12,015,332.66 is: 16,581,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,257.91 : 30,090,517.76 = 12,015,332.66 : x
  2. Step 2: Convert to fraction form
    21,804,257.91/30,090,517.76 = 12,015,332.66/x
  3. Step 3: Cross multiply
    21,804,257.91x = 30,090,517.76 × 12,015,332.66
  4. Step 4: Simplify right side
    21,804,257.91x = 361,547,580,737,961.38
  5. Step 5: Solve for x
    x = 361,547,580,737,961.38/21,804,257.91
  6. Step 6: Final answer
    x = 16,581,512.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.